Phylogeny of Ptychostomum (Bryaceae, Musci) inferred from sequences of nuclear ribosomal DNA internal transcribed spacer (ITS) and chloroplast rps4
Chen-Ying WANG, Jian-Cheng ZHAO
J Syst Evol . 2009, (4): 311 -320 .  DOI: 10.1111/j.1759-6831.2009.00033.x